Gill Instruments Ltd
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MaxiMet
Page 105
Issue 3
Doc. No. 1957-PS-021
May 2018
Position Fix Indicator:
Value
Description
0
Fix not available or invalid
1
GPS SPS Mode, fix valid
2
Differential GPS, SPS Mode, fix valid
3-5
Not supported
6
Dead Reckoning Mode, fix valid
Checksum, the 2 digit Hex Checksum sum figure is calculated from the Exclusive OR of the bytes between
(and not including) the $ and * characters.
Followed by the Tilt Output:-
$PGILT,A,+XX,D,+YY,D,+Z,TILT*HH<CR><LF>
Where: $P
Start of sentence and proprietary sentence identifier
GIL
Gill Instruments recognised NMEA manufacturer mnemonic
T
Indicates TILT information
A
Type of Sensor (Angular Displacement)
+XX
X-Tilt indicates unit is tipping towards east "XX" degrees
Or
-XX
X Tilt indicates unit is tipping towards west "XX" degrees
D
Units (Degrees)
+YY
Y-Tilt indicates unit is tipping towards north "YY" degrees
Or
-YY
Y-Tilt indicates unit is tipping towards south "YY" degrees
D
Units (Degrees)
+Z
Z-Orientation "+1" shall be reported if the unit is installed upright, or "-1" if
facing downwards
TILT
Name of the Sensor
*HH
Checksum
<CR><LF>
End of message termination
Example GMX550/GMX600 data string:
$WIMWV,069,R,004.06,N,A*00
$WIMWV,122,T,,N,A*14
$WIXDR,C,+023.2,C,TEMP,P,1.0281,B,PRESS,H,037,P,RH,Y,000.000,M,PRECIP*0A
$GPGGA,075613.000,5045.7954,N,00132.3938,W,1,07,1.2,21.5,M,47.8,M,,0000*7B (GPS unit)
$PGILT,A,+00,D,+00,D,+1,TILT*34
Repeated every second (1Hz output).
